Topic: LNF engine failed

[Graywolf]

The stock piston on the LNF should be replaced with a aftermarket pistons on all engines producing 300 hp or more according to the GM ecotec build book. Everyone running a tune other than Gmmp or other hp aftermarket parts is at risk with no warranty coverage. GM will check your ecm history and even hiccups caused by erasing your tune show up and void your warrany. The history for engine failures will be sent to the regional manager for approval. I personally read the policy since I had a piston failure. Yes you are all correct talking about timing/fuel air mixtures that make your engine make over 300 hp replace your pistons now before its to late. Wiseco makes a piston for direct injection lnf for about $560.00   Gray Wolf

[Imaj]

Sunny,
I was wondering the same.

Is the recomendation that everyone change to colder plugs?  As far as I know I still have the original plugs and haven't seen any problems.  I thought the change in plugs was for folks who drive short distances often and don't heat up the engine enough?

What did I miss?

GJ

Everyone running a tune (Other then the GMTune) should go colder on the plugs. Or at least re-gap your plugs. Or do both.

I have never seen a tune that uses the stock plugs and gets the optimum performance from the tune.

[Yogi]

The stock piston on the LNF should be replaced with a aftermarket pistons on all engines producing 300 hp or more according to the GM ecotec build book. Everyone running a tune other than Gmmp or other hp aftermarket parts is at risk with no warranty coverage. GM will check your ecm history and even hiccups caused by erasing your tune show up and void your warrany. The history for engine failures will be sent to the regional manager for approval. I personally read the policy since I had a piston failure. Yes you are all correct talking about timing/fuel air mixtures that make your engine make over 300 hp replace your pistons now before its to late. Wiseco makes a piston for direct injection lnf for about $560.00   Gray Wolf

So did GM void your warranty, Graywolf?  If so, what did they base it on and what was the cost?

[sunnygator]

I have the GMPP tune at 290 hp and the hotter plugs.....think I should switch back to colder plugs?  

[Imaj]

I would keep the plugs you have (Hopefully the 108's) and re-gap to .028.

[Graywolf]

Labor for rebuilding the engine was about $8,000 and it was rebuilt as a race engine and I built it with the best parts available or had them custom built. Before it was over I had $25,000 in the engine.However I just beat some 650hp vettes in time attack.  The tune was the issue.

[NormSky]

Me thinks the OS is lacking unless the engine is built around or band-aids are used meth. Saab Trionic rules!


Norm

[Yogi]

Labor for rebuilding the engine was about $8,000 and it was rebuilt as a race engine and I built it with the best parts available or had them custom built. Before it was over I had $25,000 in the engine.However I just beat some 650hp vettes in time attack.  The tune was the issue.

Thanks, Graywolf!     Sounds like you've got a monster there!     Congrats!   

[DeepBlueGXP]

I need to check my gaps as I have the 41-108s also.

[elff]

Graywolf

What HP were you pushing when your engine when kaboom?

[Arabas]

good news! Opel Greece sent the ECM of the GT friend in the HQ at Germany, to check if it had been tuned. after 1 month of checking (???) they came to the conclusion that the ECM had never been tuned, so they will cover the warranty to rebuild the engine.

[Kelu]

Wow, nice to hear that buddy, thank you for info, how long will take to rebuild his engine? 2 years? if they spent 1 month to check the ecu

[Arabas]

you got that right Kelu, but the most important is that he will not pay for anything...

[Kelu]

Arabas 

So in the future, when I will be old and I will want a perfect condition kappa I will come to Greece to check if the owner is willing to sell it IF GM finished fixing his engine 

[DeepBlueGXP]

Cleaned up some posts as requested.  Keep us informed on the progress.

[wspohn]

You don't get it.

GM doesn't need to prove ANYTHING!  All they have to do is see your post, identify the owner and tell them that they are denying warranty.  The owner would then have to sue them, no doubt spending more money on that than the repair would ever cost, and hope for a favourable verdict possibly years in the future.

You are certainly correct in saying that you are not doing anyone any favours.

When will people realize that posting on the Internet is the same thing as sending a letter to anyone that cares to look?

[Arabas]

for the record, the owner has already sent to GM a letter of complain because they implied that he had tuned his ecm (which he hadn't) and it took them 1 month to check his words, only to find that he stated the truth. 1 month without a car, and now they don t know if they re going to rebuild his engine or replace it...
go figure!!!
as for me, i have already collected info (dates, vin #, plate #, names etc) of the following incidents:
Opel GT owner went to the official Opel dealer to get his alarm and parking sensores installed coz he was afraid to take it elsewhere. during the installation, the technicians burned his BCM, his airbags and a bunch of other electric parts.... He started yelling at them and told them he will sue them when they told him that they will have it repaired in a month or so.... what they did? took the BCM of another GT waiting there to have a service done, exchanged parts and gave his car back to him!  i wonder if GM wants the other owner to know about this....
other GT to the official dealer: technician was trying for 5 minutes to open the hood from the front bumber!!!!
other GT, was delaying the delivery of the car from service coz he couldn t find the cabin filter to replace it....
other GT, was having problems to close a service appointment for his ride, coz they insisted that he owned an Opel Astra GTC, they didn't know GT even existed
other GT owner was never notified that he had to take his car for the recal of diff leaking...he could have had an accident becoz of this for all i know
a bunch of GTs had ther exhaust manifold screws unscrewed for NO apparent reason...
i have more stories to say, so GM should first consider giving us customers a good product and a good service

now, GM can deny warranty, but WE can deny them sales. i have 3 GM cars (Opel GT, Opel Manta and Chevrolet Spark), but if i get disrespected, i will certainly stop respecting this company.

don't forget, WE can make GM a great company and WE can drive it to bankruptcy  , its up to them.

[wspohn]

WE can drive it to bankruptcy

Don't look now, but I think that ship has already sailed, and they did it without any help from us......

[Arabas]

Don't look now, but I think that ship has already sailed, and they did it without any help from us......

i am pretty sure, that that happened because customers drove them there...it MUST have something to do with bad marketing mix !
plus, GM is on the automotive map again...alive. GM is not only Saturn or only Opel..

[Kelu]

omg guys 

[Graywolf]

I agree with Mac, anything above 300 hp needs different pistons according to GM racing.. They researched which parts are going to fail as you increase hp. Pistons are first on the list. It happened to me.